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After using the 4 valveYJs titans I wouldn't want to use anything else. I would not want to go back to a 2 valve set they just make pulling a vac so much easier and the forth valve works perfect for hooking up your vac guage. That said the digis sure do look cool but since i spend more time in the office than the field i just cant see getting them and I dont want to spend that much for my techs to abuse.

After using the 4 valveYJs titans I wouldn't want to use anything else. I would not want to go back to a 2 valve set they just make pulling a vac so much easier and the forth valve works perfect for hooking up your vac guage. That said the digis sure do look cool but since i spend more time in the office than the field i just cant see getting them and I dont want to spend that much for my techs to abuse.

Also I've recently bought a micron gage... with a 2 valve gauge set how does everyone put the micron gauge in line? a T? short hoses?

The guy I learned basically used his gauges to put in refrigerant. I'm trying to make amends.

if it was a good micron gauge it would have came with some instructions telling you to mount it in the system as far from vacuum pump as possible. those instructions will and should also say that exposing the sensor to any oil will ruin it.